Re natural sources of iodine. Atlantic Kombu and kelp are readily available in health food stores on both sides of the Atlantic. Icelandic kelp (see the Thorverk website) is reputed to be among the best available. It has been harvested for animal consumption for many years. With the growing demand for iodine, it is now appearing in stores in the U.S. as a nutritional supplement. Another alternative is freshwater spirulina from Hawaii which is sometimes sold as blue-green algae. Dr. Mercola recommends it as a source of iodine for those who don't eat sea vegetables.
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